L5p normal oil pressure J. 134 posts · Joined 2012 Add to quote; Only show this user #1 · Jun 18, 2017. 2018 L5P LTZ Z71 Midnight CCSB Banks intake, Add me to the list. Changed the oil last night and put Rotella back in. If greater than 400 kPa (58 PSI) All OK. Cause When first starting the engine with cold oil, the oil pressure They will go over 100psi when the oil is cold. I have a 2017 L5P and will get the warning on the dash that there is no oil pressure and turn off engine. This is a 2021 Chevy 3500 DRW L5P Duramax that pulls a 20,000 pound 5th wheel for a combined GVW of 29,500 pounds. Truck is a 2018 GMC 3500 6. Replace the A38 Reductant Pump and Sensor Assembly. CaseyA925. It is the most robust and powerful Duramax diesel created to date, producing a peak 445 horsepower and 910 lb-ft of torque. It's not rooted in science, but the huge oil pressure and that tiny oil filter make me a little sensitive to it, especially after years of lower oil pressure Duramax's and a much bigger oil filter. Then replace sensor L5P Engine Oil. At steady state 1600rpm, it should be around 50psi or so. twald85 Discussion starter. While normal oil pressure varies for different vehicles depending on their models or engine type, a standard pressure range is considered safe for the engine. So I've decided on two options: 1 The sub oil gallery on the right bank supplies oil to the right bank piston cooling channel (1). I would say it is a head gasket that is allowing oil under pressure to pass to the cooling while also on the intake stroke High pressure is normal on start up just make sure it's not over filled. My 2018 is exactly like yours with the high oil pressure at cold start and 45-50 PSI on the highway I just purchased a 2018 GMC 2500HD Denali and ever since I bought it I have noticed that the oil pressure gauge jumps around a lot. 1 post · Joined 2023 Add to quote; Only show this user #1 · Sep 3, 2024. 147k / New Bosch injectors / Longhorn When start my truck it suddenly has no oil pressure for 15-20 seconds after sitting for a few hours. 2022 FPR Connectors. Hi all, can't seem to find any specs on what oil pressure should be. You can get by with cleaning wires and terminals with brake cleaner. Located in the front cover at the sub oil gallery (6) is an oil pressure relief valve which regulates oil pressure within operating range. jerkyboy Discussion starter. Any idea or help would be Maximum acceptable oil temperature: 280F <-- that's really hot! Minimum oil pressure @ low idle: 10psi Minimum oil pressure @ rated power rpm: 30psi Oil pressure regulator @ oil pump: 75psi Oil filter pressure delta to open bypass: 50psi <--I bet this is why we typically only see around 50 psi on our EVIC About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright C6 Tech/Performance - Normal LS3 oil pressure - My O8 C6 bone stock LS3 has been in the garage for the past 3 weeks. The oil pressure sensor is typically a piezoelectric device that changes its electrical resistance based on pressure. Traded:2012 Silverado LTZ 3500HD CC 4x4 D/A in Graystone metallic. 2017 2019 L5P All GMC Sierra 2500/3500 Involved Region or Country North America and Israel Additional Options (RPOs) Equipped with Diesel 6. Totally normal. My old 09 was always less than 60 unless it was cold or really hard on it then slightly above but not for long. Z. when I start the truck the oil pressure is By chatting and I have a 2018 Chevrolet Silverado 3500hd with the L5p duramax. This particular person was not, but I am using this Banks product along tithe the Banks Ram Air and 5" monster The question is: What is the normal boost pressure for an LBZ with stock tuning, stock tires, stock gearing and at steady state on level ground at 65 mph? I know 65 is a slow speed to maintain, but I am sure some of you have done it. Might be normal L5P or L5D) Silverado 2500/3500 2019 2024 Silverado 4500HD, 5500HD, 6500HD 2019 2023 GMC Sierra 2017 2018 Sierra 2500/3500 2019 2024 Involved Region or Country North America, Middle East, Israel, South America and Thailand. So I 2015 Oil Pressure at Idle. "The AERA Technical Committee offers the following information on high oil pressure at start-up on 2017-2018 GM 6. idles about 24 according to 2020 GMC Sierra SLT 3500 CC/SB L5P 3/14/20 Payload 3726lbs. Serious competition engines often use either a vacuum pump driven off the engine and/or a syphon valve in the exhaust headers to evacuate the crankcase to a negative pressure. • If engine oil pressure is less than normal, replace the engine oil filter and retest. What's new. Fires up around 60psi. Cheers and enjoy that L5P Edit: I have a 17' L5P. Alarm went off telling me to shut off the engine no oil pressure. While this What is the normal oil pressure for the l5p engine, my new 2017 runs right about 40 psi cruising about 70 witch is 20 psi less them my 2015 lml did it would run about 55-60 psi but When first starting the engine with cold oil, the oil pressure can be up to 100 psi or 690 kPa (full range of oil pressure gauge) at idle conditions. This last go-around, one morning with about 4000 miles since the change out, I started the truck up in the morning and immediately got a "low oil pressure, shut off engine" to which I promptly complied. Also check for wires rubbing on ac line at compressor. Not in a direct line, not ever-increasing, but higher RPM will always I recently bought an 08 Duramax with 32,000 miles on it and the oil pressure gauge seems to fluctuate more than any other vehicle that I've ever 2017-2018 GM 6. 2K views 2 replies 2 participants last post by babrom Apr 18, 2017. Search titles only By: Search Advanced search Search titles only By: Search Advanced Home. Jump to Latest I am too new at this to know what normal oil life is but I thought I would share my experience. 2017 L5P, low coolant message when it's cold as heck and I first start driving. 6 L5p duramax and I’m comin up on the first oil change since w/ tank sock,delete,TD-Max boost controller,OPS extension hose,Glow Plug Harness,Glowshift Maxtow gauges,Boost & Fuel Pressure Bolts,2/0 Battery Cable Upgrade,PMD Re Normal service is filter at 45,000 and oil and filter at That is the typical range of atmospheric pressure depending on elevation, temperature, L5P measures ambient air pressure at the ECM, and absolute Manifold pressure and temperature The L5P does have a small box that acts like a catch can to try to separate the oil out of the air. Have lower oil pressure then any other Duramax, so this low isn’t un heard of I highly highly highly suggest cleaning your TMAP sensor as a part of your preventative maintenance program. When I checked the oil, it wasn’t on the dipstick at all—it was 4 quarts low. 15 posts · Joined 2017 Add to quote; Only show this user #1 · Feb 2, 2017. I just bought a 2017 3500HD 6. Another truck the fuel pump got replaced due to the fuel Your oil is going somewhere and I would imagine it's the intake. One only had 300 miles on it. Thanks to a high static oil level, pressure on the pickup tube inlet prevents oil from 2020-2025 Chevy/GMC 2500/3500 6. 3914 posts · Joined 2007 Add to quote; Only show this user #5 · Apr 21, 2019. On the new L5P it seems to really hunt the gauge. Common problems include faulty oil pressure sensors, clogged filters, and worn-out oil pumps. Low pressure side 60-62 Compression test show 345psi on all cylinders except 400psi on 8. Sold:2003 GMC Sierra SLE 2500HD CC 4x4 D/A in Summit white. If it has it could be the oil cooler. Maintaining oil pressure within this range is essential to ensure proper lubrication, prevent wear, and promote engine longevity. also can find any thing on napa platinum oil filters. I'm very happy with how the HPL Sometimes I'll hear low pressure bell and when I look a the oil gauge, the pressure shows low, then normal, then no pressure. I'm still pulling in eighth gear and oil consumption continues to be zero. Each pump receives a tig welded Cannot maintain 60mph, oil pressure gauge drops to 15 and "OIL PRESSURE LOW - TURN OFF ENGINE" message displays on dash. 2006 Silverado 2500 4x4. Even my 2 semi-tractors consumed nearly zero oil between oil changes at 10,000 miles. 4 psia. It wasn't up onto the wire when I seemed normal then happened couple more times over the next couple days. The normal oil pressure for a diesel engine typically ranges from 10 to 20 psi at idle and 30 to 70 psi at operating speed. live in central MN. D. Arthur L5P Discussion starter. They ended up replacing battery cables. Same happened to my truck, blew out oil from the filter and made about a 4” puddle. It has 91k miles. Never had any issues with anything since I first bought it at 120000km a year ago. No need to get a mechanical gauge etc etc. Jump to Latest 16K views 4 replies 5 participants last post by NachO_GMC Dec 5, 2014. Is this damaging to the engine? l5p-in a fairly warm region (40-70f)-15w40(edit) semi-synthetic oil It's normal for L5P. Because of the lower resistance to flow that synthetics and specifically 0W-20 oils offer, the oil pressure will generally be reduced as well. Jump to Latest 4. Ideal Oil Pressure Range. I just started monitoring it on the idash so I will have a better idea of real-world number the next time I go out. Also I am pretty sure there is a relief valve in the pump that may could be stuck. Since installation, I was running iDash firmware v1. I was running 65mph down the interstate when it lost oil. I heard about the older L5P having this problem but the dealer said mine shouldn’t be affected. One tech drained oil, installed plug then changed the filter. I don't let shops work on my cars other than oil changes. New posts New profile posts Latest activity New showcase items New showcase comments. Just don't understand the DIS saying that the oil pressure is low when the gage says it still has 27-28 lbs of pressure. Just interested in what others are I haven’t heard of anyone having any issues with noise or oil pressure. This used to be a common problem with the 90's chevy trucks, don't seem to here about it to much anymore, but I have had several trucks that did this and replacing the oil pressure sensor cured the problem. 6L, L5P Duramax diesel engines. I thought this was weird and possibly related to the oil pressure sensor because I had replaced it early this year around January. Also cleaned out the MAP sensor and checked the MAF sensor. It's normal for L5P. I use delvac 15w40 full syn, and oem filters. Oil pressure up slightly, but after reading some of the threads in this forum it looks like the oil pressure is in the normal range(20 and up at a hot idle). Jump to Latest 3. The affect was more a long-term problem caused by the synthetic oil coating the various emission devices since the synthetic oil does not breakdown in the same manner as conventional oils do durning the normal combustion & exhaust treatment process. Hey Guys. just bought a 2017 2500 l5p. My Truck is repaired and will be delivered tomorrow morning. Regular checks and timely maintenance can prevent what is considered normal oil pressure on a 6. 7 Hemi should be between 10 and 20 PSI while the engine is idling, and 40 to 60 PSI when the engine is under load. The sensor used to be screwed into the drivers side cylinder head on the old 454 v8 , At start up I would be around 60 while idle then operating temp would drop down to about 20 at idle, now start up is at about 45, and operating temp at idle is 15. My l5p pulls heavy loads every day and I use around 1/2 quart every oil change. 012duramax4x4 Discussion starter. Forums. To me that would seem to indicate the pickup tube maybe? A number of new to gm diesel owners have asked about the L5P cold Insight CTS, Flo~Pro 4" DP back exhaust w/ muffler & stock trumpet tip, Alum. D_R_C. Check it with a mechanical gauge to know what you actually have for pressure. I Check the oil level in my 2021 Chevy Silverado 2500 HD Duramax. 6 duramax L5P with 146000km. Anywhere between 30-35 and 70psi depending on temp, engine speed and gear. When it's cold the oil pressure will go all the way up to 100 psi then after it warms up, it will go back to around 60 but upon acceleration goes back up to close to 80, as best as I can read the gauge anyway. Is there that much difference, or do I have an issue. B. Transmission temps are higher than the 15, seems that normal average temps are 135, whereas the 15 would stay below 100 in the winter. That corrugated hose at the top just emits the ejaculate on floor Oil pressure gauge shows O at start, but goes up to normal once I get driving. Jump to Latest 190K views 98 replies 39 participants last post by doninspector Dec 18, 2021. 3. Save Share I get upgrading to a higher flow oil pump, but I have never understood why people replace the oil pump with a new identical unit. 7 psig at full toot, it would have to deal with pressures from around 3 psia to 29. Jump to Latest 591 views 1 reply 2 participants last post by Ron Nielson Sep 3, 2024. Previous engines used Garrett turbochargers, which were variable vane turbos that used oil pressure control. Have lower oil pressure then any other Duramax, so this low isn’t un heard of The location of the L5P oil filter will accommodate a much larger filter. babrom Discussion starter. I’ve had oil pressure issues with WIX/NAPA GOLD ended up eventually having defective anti-drain back valve on 2 Pretty sure this is last GM truck for me , now my 19 high country dually lost oil pressure at 65,058 miles 16 months old, been serviced every 10,000 or more often and stranded me twice now, this time really bad area and chevy road service left me on the side of the road for 6 hours, paid the tow and now dealer said can't even diagnose till end of the week and could If you can get hold of a decent scanner you can read oil pressure directly from it. bleeder screw, WIF sensor delete plug, Fumoto oil drain valve, Pacer LED cab lights, GM dually light bar under tailgate provides increased pressure at the turbo and faster oil At start up I would be around 60 while idle then operating temp would drop down to about 20 at idle, now start up is at about 45, and operating temp at idle is 15. Synthetic blend. How To Tech. It continued to be at 120 psi from a standstill idle to freeway speeds. Where can I hook up a mechanical oil pressure Anyway, you will quickly see from the oil pressure gauge that the pressure at a given RPM dramatically varies with engine temperature. Oil pressure is good. - Left Rear (L5P) Q18B Fuel Pressure Regulator 2 (L5P) Attachments. Once warm, falls off to around 7-8psi. It is a dry sump system that holds 10 quarts and in normal driving takes at least 5 to 6 miles for the oil to reach the 170 degree temperature that is the minimum desirable for high RPM operation. I'm not at all complaining about the truck, I love it. Im running Rotella T5 15w-40. what is considered normal oil pressure on a 6. Save Share Reply Quote Like. Slight burning smell. 2007 2500 CCSB /16 X 8 Mickey Thompson Classic / 285x75x16 Cooper ATP / PCV Reroute / Deviant trans cooler hoses / Merchant Automotive pump rub / EDGE CTS2 / GM performance exhaust / Bilstein 5100 shocks / blue top steering gear / power steering oil cooler / Duramax jack spade / Kennedy diesel twin pumps. If 400 kPa (58 PSI) or less. 7 at idle. I can smell it in the exhaust. IMO oil pumps don't wear out on the Duramax. On my Gas engines, the oil pressure gauge seemed to stay in one spot. Heat kills motor oil. I purchased my 2018 Duramax GMC 2500 with about 100 miles on the odometer and about 9 months after manufacturer. The MAP sensor is responsible for sending the ECU vacuum and positive air pressure readings which are used to determine how much fuel should be sent to the engine for combustion. If the DTC is set ; At idle, the Dmax should have around 90-100 psi of oil pressure on the dash gauge with cold oil. pdf. Is this normal? You can't expect to have the same oil pressure throughout the RPM range of the engine. It's only got 850 miles, I always figured new engines would have higher pressure. I have a 2024 L5p that I changed the oil at 4200 miles and now at 5500 had to add a quart of oil (1300) miles. 40-60 when cruising with a warmed up L5P is also normal. I seem to notice it more with the nose point uphill vs down hill. There is no oil pressure when the engine is not running so it should read zero. While this condition seems abnormal, GM states that this may be normal Oil pressure increases with higher RPM, and goes lower with lower RPM. Just find out for sure what you have for pressure and address that. Save Share spring that controls the upper limit of the oil pressure and that they do hang up fairly frequently causing either low oil pressure that will not climb to a normal level, no oil pressure if its stuck open all the way, or through the Years ago (48 years), an old boy I drove for told me to always watch the oil pressure gauge (or idiot light) upon startup and if I was not getting oil pressure within 4 seconds, to shut it down. 1 2 of 6 Go to page. Just curious what the oil pressure s/b at idle (~680 rpm)? 2017 chevy Crewcab L5P. My new duramax only gets to 55 psi at highway rpms and drops to 35/40 idling. The new L5P's pump 2024 L5p oil in coolant reservoir just shy of 36k miles. Oil pressure kept gradually climbing until it never got below 80. AirLift LoadLifter 7500 XL 2019 Arctic Fox 27-5L Andersen Ultimate II. 2 posts · Joined 2007 Add to quote; Only show this user #1 Oil pressure is directly related to resistance to (oil) flow. They have replaced them on at least 5 2017 L5P trucks already. 22. especially the L5P since my cold oil pressure is 100+ lbs. It doesnt sound like it is not getting oil, however if I rev it to about 2500 roms the engine shut off. I have used synthetics in gas 2-stroke & 4-stoke engines with real positive measurable results. There is some algorithm used across a few other sensors that creates a guesstimate of the actual temp . Engine » Idling — At normal operating temperature ; Verify DTC P0016 is not set. L5P (17+) does the 100+ thing when cold. 7K views 10 replies 4 participants last post by ADE Jan 9, 2024. That's why we engineered the Banks it was clear that the RTV in the 270 F is well on the way to being hot, but is acceptable for a good oil such as Delo. According to dealer, the leak was coming from the oil pan and required either replacement or re-sealing. The low oil warning went off about 3,000 miles into the current oil change. 6L Duramax Diesel Engine All engines require oil to lubricate and protect Dylan - L5P 2022 Quicksilver Metallic L5P Denali 3500 2021 Hunter metallic LM2 Yukon Denali Sponsored by OPDT, Thanks Josh. • Pressure Decrease: If a pressure L5P fuel rail pressure issue. the Oil pressure on my M52B28 at 750 RPM idle varies from about 18 to 40 psi depending on temperature & ⇒ Verify the oil pressure is within specification. If your turbo puts out 14. AirLift LoadLifter 7500 XL At the Connector on the Oil Pressure Switch TLDR:Just did my first oil change on my L5P used T4 with the ACDelco filter. Reactions: Myofb08. I am receiving a low fuel rail pressure code from my 2017 silverado 3500HD. That being said, when working the engine hard with high EGT's the engine oil is squirted onto the bottom of the piston to help transfer piston heat to the oil. I try to let mine warm up and/or drive at low rpm/loads so that engine oil pressure isn't above about 60. +1, my oil pressure does this too. When I L5P Oil Sender issues - Flaky like Pie crust. Ron Nielson. Some gauges are functionally just switches in that if the pressure is in the OK range, the gauge displays an OK pressure; if that OK range is exceeded or lower than the OK range, then you may see something different. For 2020, a 10 speed automatic transmission became Normal Oil Pressure for Diesel Engines. What are your typical camper hauling speeds (MPH)? L5p low oil pressure shut engine off any one else had this problem. 1 - 8. An engine’s oil pressure is the amount of force with which the [] My test show very high fuel rail pressure if I can get it started. ⇒ Verify the oil pressure is within specification. Adjust the pressure limiting valve to normal pressure or check that the spring elasticity of the pressure limiting valve is weakened. T. This is normal with cold oil and internal relief L5P with high oil pressure when cold is normal. 80k miles. I now get pressure readings of 14. This is an easy task, be sure The average oil pressure for a 5. First engine blew with just over 12K miles on the odo. Previously, guidance for normal blood pressure for adults varied by gender and specific age, but new data states normal blood pressure for adults as a collective is less than 120/80 mmHg High The oil squirters that cool the pistons are spring loaded, and open at roughly 35-40 PSI of oil pressure. Got some grief but they supposedly replaced the LH Fuel Rail & Pressure Sensor after 3 days in the shop. As soon as I turned the key and started the engine the reading went straight to 120psi. One of the responses asked if they were using the Banks Derringer. We will see what happens. my truck is running at higher oil pressure than normal before it settles down after about 5 miles of driving. This may be true but how does one explain to a customer who spent anywhere from 60-85K on a truck that the sound is normal? GM needs to Took it to the dealer and they said it started for them. I hope this doesn't mean oil pressure related leaks later down the road. First thing I would probably do is unplug the sending unit and turn the key on and see what happens. Mike begins assembling the front of the L5P, installing the oil-pump drive gear, oil pump, high-pressure fuel pump, and timing cover. It's a regular pressure cap. Save Share Reply One uses the differential pressure sensor to calculate the soot in the DPF and the other uses other engine data. it's going to vary a bit based on temps, what oil you use etc. At idle, the standard oil A car’s oil pressure is considered normal when it is within the ideal range as specified by the car’s manufacturer. Atkisson-92. Your oil pressure sounds perfectly normal. How Regeneration Should Occur L5p low oil pressure shut engine off any one else had this problem. In certain driving conditions, the oil pressure reading may drop or change quickly, which is part of normal engine operation. Sort by Oldest first Oldest first Newest first Most reactions. RPMs are about 1500 and stepping on gas pedal will not increase RPMs or change gears. 3 - 14. If the oil temperature got to ~300 F and was held there continuously, that 2021 Chevy Duramax L5P - 21,900 miles/503 hours on oil - 43,400 total miles/997 total hours - HPL 5w-40 ( clean the air pressure sensor every oil change) Issues with injector connectors especially number 7. 2020 L5P with 24k miles and not other major issues with vehicle since new. 2020 GMC Sierra SLT 3500 CC/SB L5P 3/14/20 Payload 3726lbs. I summed it up to being oil pressure gauge, i replaced and its still happening. Oil pressure gauge shows O at start, but goes up to normal once I get driving. I pulled the code. The location of the L5P oil filter will accommodate a It is a dry sump system that holds 10 quarts and in normal driving takes at least 5 to 6 miles for the oil to reach the 170 degree Diesel trucks need a big oil filter. L5P with high oil pressure when cold is normal. Reply. GM L5P TMAP (Temperature & Manifold Absolute Pressure) sensor clogged with soot at 17,500 miles - S&B MAP L5P Fuel System Diagram (1) Secondary Fuel Tank (with N2N) Fuel Temperature Sensor (5) Fuel Pressure Sensor (6) Exhaust Aftertreatment Fuel Injector (7) Dual Fuel Rail Pressure Sensor (Contains Fuel Rail Pressure Sensor 1 and Fuel Rail Pressure Sensor 2) Turbocharger Oil Feed Pipe Washer[2x] (21) Fuel Injection Fuel Return Pipe—Left Side Two bypass valves are incorporated into the oil cooler assembly which will permit oil flow in the event the filter or the oil cooler become restricted. How well it works, This past December 2022, I started my 2017 L5P that had a ACDelco filter installed by the dealer. Oil pressure guage was reading normal then went straight to 0 . When I start the truck in the morning and don’t let it warm-up, the oil pressure gauge will go past 120 at low rpms for the first 1-3 minutes. 6? mine is running in the mid 50's at idle & 75 at speed. I suppose it could be an indication (display) difference. I've never seen 2 oil pressure sensors on a engine, usually one sensor, it reports to the ecm and the ecm sends the signal to the dash. When the engine runs, oil pressure forces against the sensor, sending an electrical signal to the vehicle’s The oil pressure sensor is just in front of the oil filter, the driver's side of the engine near the back Ron Nielson - Most of the information I provide relates directly to my 2008 LMM - Your truck may be a little (or a lot) different Driving down the highway and out of no where my oil pressure gauge went slowly from normal operating pressure to being pinned at 120 psi. Lly’s. You'll get a feel after a while what's normal for a given RPM. In the end oil will only build pressure due to resistance from restrictions, the clearances in the bearings, oil gallleries, filter etc. once hot it holds It seems from reading here and on other forums, this motor tends to consume more oil than past Duramax motors. I have a 2017 L5P and I’ve been getting a low oil pressure and it’s not holding any coolant. What is normal for these trucks? I find it odd they put in a 120psi gauge if the 30psi is correct. A little less than ideal, but suspect this is due to all the fuel washing oil away from cylinders. truck has 24000 miles going to keep it for at least 6 years. All of these factors play a role in the oil pressure displayed on the engine oil pressure gauge on the instrument cluster. Tags fuel fuelpressure l5p. The I also have pretty low oil pressure. My 22 6. Some places will replace stepper motors for less as well. Goes away in 60 seconds. • If engine oil pressure is still low, it will be necessary to inspect the #1 main bearing for any damage. I pull over, message disappears, I turn off engine. My '18 has 18,300 on it and I was getting codes P0106 for "manifold absolute pressure" followed shortly there That does seem high, however as noted through threads in the past, the L5P does not actually have an oil temp sensor for whatever reason. 12727 posts · Joined 2009 Add to quote 2019 l5p lost oil pressure / maybe a Ford or Ram ? Jump to Latest 21 - 40 of 117 Posts. Save Duramax Sixth Generation: 2017-2019 (L5P) Oil pressure. Normal oil pressure. I try to let mine warm up and/or drive at low rpm/loads so that Ideal Duramax oil pressure ranges between 20-30 psi at idle & 45-70 psi under load. The new engine showed the same oil pressures, plus vibrated and overheated worse DHD's High Pressure Welded L5P Duramax Oil Pump is an excellent addition to any engine build. The oil pressure, when oil fully warmed, will go up to around 45-60 psi (depending upon rpm), as you drive it. Jump to Latest As soon as it was working hard and towing a load that heated the engine and coolant, the WOT oil pressure would drop as low as 29 psi at 3000 rpm per the Edge Insight. 1. Information on Engine Oil Consumption Guidelines for the 6. The question is whether or not anyone paid any attention to the boost pressure under those circumatances. and BAMO Oil pressure again, Like normal, just a peg under 40 at idle, and just a peg over 60 while under power. 5 posts · Joined 2023 Add to quote; Only show this user #1 · Dec 10, 2023. 50k miles on the build, and 350k miles on the oil pump, still holds great pressure. And I Its normal. Make a mental note and drop off the last of my shit for the day - shut the truck off and had a bite to eat, not thinking about the Oil problem until I finished my Pie and got back in About mid August my oil pressure dropped to 0 for the first time then popped right back up to normal. The ideal range can vary slightly from one manufacturer to another, but is generally between 15 and 45 pounds per square inch (psi). Mine, however, had 10K on it and is the first one they've seen that lost all its oil My 2012 lml displayed oil pressure 75 to 85 psi the 5 years I had it. I did put 5-40 Rotella the same I use in my 2 LLY‘s bought new and never added oil between changes 8-9000 miles. Jump to Latest 17K views 6 replies 4 participants last post by tmm403 Jun 20, 2017. Higher oil pressure can be double edge sword. thinking about amsoil signature oil . DHD shims each pump in-house to produce approx 15-30% more oil pressure safely and dependably. This holds the pressure steady on the brake so that the hydraulic pressure does not increase or decrease. I stop attending a funeral and when I got back in truck I had 0 oil pressure and DIC cane up low oil pressure shut off engine. 23 GMC Yukon 3. Save Share Reply LB7, 3 - LLY, 1 - LBZ, 2 - LMM, 1 - L5P. I found that when the temps are very cold, oil pressure rockets to above 100psi, blowing past the filter gasket. will get driven 35 miles one way daily not pulling. rebpdt. Reports have been filed that the oil pressure gauge “pegs” or goes as high as it can when this engine first starts when cold. oil pressure normal 60+ cold. probably some fuel cleaners Yup looks pretty suspect, make sure those fuel injector connectors aren't burnt. Search . R. I watch engine oil pressure, if it was a rod or main bearing the oil pressure at idle would be lower than the 25 psi my engine oil pressure gauge is indicating, This is more like a hollow thumping sound. Never had this happen before, so I waited a minutecranked the truck again and it started but it ran kind of 2017 L5P No Oil Pressure Problem. Then it got worse, threw a P0521 code - Engine oil pressure sensor/switch - range/performance problem. Ron Nielson - Most of the information I provide Just wondering what everyone else experiences with oil pressure on the new l5p motors. I was actually looking on the previous threads and found a similar issue being discussed. 2018 GMC 3500 SRW 6. what is the normal oil pressure for the 6. I don't know if that's the case for other Duramaxes, but there were enough questions about it when the L5P came out that GM issued a TSB about it. This reduces oil pressure because there is not as much of a restriction on the system versus your I think it is probably a bad oil pressure sensor. GM 12706188 That leak isn't normal. I would guess the MAP sensor has to be able to deal with pressures considerably above and below atmospheric pressure. When they open you will see the pressure fluctuate roughly 5-10 PSI until there is enough oil flow to maintain at least 40-45 PSI to keep the squirters open. By way of an update, I made it to ohio. This past December 2022, I started my 2017 L5P that had a ACDelco filter installed by the dealer. 1 second later the oil pressure comes up. The bypass isn't activated by oil pressure but rather by the Oil pressure may also vary with outside temperature and oil viscosity. Oil pressure sensor most likely with 90 koeo. At that time the oil pressure was 0 all the time, replacing the sensor fixed it. Here's Low oil pressure diagnosis from the shop manual (after making sure you have oil and checking pressure with a mechanical gauge to ensure its accurate) Inspect the engine for mechanical damage. One of the parameters is Manifold Absolute Pressure. Most of the time the pressure being read on the dash is a relatively bogus number compared to what is going on in the engine. See All 64 Photos A special installation tool is needed for its normal, all dmax's since the Boost, Fuel PSI, Differential, Air Pressure, Oil temp & EGT and EDGE CTS monitor, Shocker XL and K5LA train horns, , MAG-HYTEC differential cover , Alligator Performance tranny lines, Coolant filtration 2018 GMC 3500 Denali DRW L5P. Don’t these L5P engines have low oil warnings like the previous Dmax engines did? 2018 GMC Denali 3500HD CC 4x4 D/A in Frost white. 4 posts · Joined 2012 Add to quote; Only show this user #1 · Jan 23, Entirely normal. Resistance wasnt in spec. Disc Man Discussion starter. thinking about 15w40 summer and 5w40 winter. Zack_L5P Discussion starter. Color is good. Only use 15w-40 in any circumstance. 1 2 3. i have always like mobile delvac 1 and rotella t6. My first Duramax was a 2001 LB7 which carried high oil pressure of around 60-70 PSI when running down the highway and I had to adjust to my 2006 LBZ which had a high flow/low pressure system with much lower normal operating PSI. 481 posts · Joined 2008 Add to quote; Only show this user #1 · Dec 4, 2014. 1 second later 2017 L5P CCLB DRW LBZ 2015 LML sold 2014 LML sold 2005 LLY sold. They called tech support to figure that one out. If it is pegged at 120 with the engine turned off then it is not a problem with the engine, it is a problem with the gauge. 1 and the pressure measured 8. 3 at idle. Yes it could be the sensor and you should Normal Oil Pressure Readings? Jump to Latest 238K views 21 replies 19 participants last post by Corners Jun 11, 2022. I have replaced the stepper motors and all of the other gauges are working fine. At idle, it should drop to around 30-35psi with hot oil. 1200°F when pulling in 10th. 3960 posts · Joined 2010 Add to quote; Only show this user #2 · Mar 2, 2012. No strong diesel fuel smell. 9 posts · Joined 2021 Add to quote; Only show The 6. This is normal with cold oil and When first starting the engine with cold oil, the oil pressure can be up to 100 psi or 690 kPa (full range of oil pressure gauge) at idle conditions. 6L Diesel L5P. Owners Manual states this should be done every 400 Miles. The new truck seems to be pushing the 120 mark when its just started and goes down when warmed up but I watch gauges and that seems crazy high. When oil pressure comes up it hovers around 60 if you drive off it will go to 75-90 Here you will see positive pressure that is what the tube back to the air-cleaner is for it allows the pressure blow-by to vent essentially into the air horn. Daniel says: January 5, 2023 Your oil is going somewhere and I would imagine it's the intake. The ideal oil pressure range for most engines falls between 25 to 35 psi (pounds per square inch) at idle and around 45 to 70 psi at higher engine speeds. L5P Duramax Maintenance & Service Schedule (Normal Operating Conditions) For more instructions on adding fluid or oil to your truck, see your L5P Duramax owner’s manual. At start up the oil pressure idles at 40 PSI and after a 5-10 minute warm up it still reads 39-40 PSI, The more In this case, the engine oil pressure is normal when the engine oil is cooled and the generator set is started. also a software update for the 20-23 trucks for ECM, TCM and reductant control module on those trucks helps a lot with multiple issues, the usual charge air leaks these trucks have same oil level issues at the 17-19 trucks so check all that, and fuel My 17 has a smaller oil cooler than the OP 2020 and Gale Banks did a comparison of the two several years ago, and he actually offers a kit to upgrade the earlier L5P to the newer oil cooler. Has anyone noticed the oil "seemingly" going up a little between changes? Looks to be 1/4" to 3/8" above full onto the wire portion. No white froth like water would do. Expert. Need some help guys, I was driving my 2012 duramax and everything was fune. Ambient temps were -11F here in northeast Idaho. There's supposed to be relief valves inside that bleed off the excess pressure. mine runs around 60 driving. 6L Duramax L5P is the most recent generation of the Duramax 6600 engine family and is found in 2017 to current Chevrolet Silverado, GMC Sierra 2500 HD/3500 HD pickup and chassis cab trucks. The L5P uses a manifold absolute pressure (MAP) sensor inside the intake manifold. Oil level is good, oil and filter changed 3K miles ago with Mobil 1. 6 Duramax L5P. Refer toEngine Mechanical Specification (RPO L96 VIN G)in SI for proper specification. Oil pressure just has to be normal. I have not done an oil change on it yet, the sticker on it says 15w40. All but one oil change the tech pulled the drain plug and then the oil filter to allow both to drain at the same time. Save Share It's normal for the oil pressure to drop that low at idle due to on the d-max motor is squirts oil out of the bottom of the piston to cool down the cylinder. heres what happens. The new turbo is electronically controlled and Oil pressure port. 6 chevy dually duramax diesel?? 2. C. Lot of the 'all diesels leak' thinking is because years back it was common for crankcase pressure to be relieved to atmosphere and there would be oil mist/droplets from 2018 L5P Sierra 4x4 SB, 2011 LML Sierra 4x4 CCSB, 2010 LMM VALVE,OIL PRESSURE RELIEF 97328859 (INCL GASKET) 2005 Chevy 2500HD LT CCSB Superchip Volant CAI S&B turbo inlet Stock exhaust 305/55/20 Falken A/T3 Granite All Terrian rims Bilstein 5100's. as it shows only 25% of gauge. So I got in there and replaced the sensor/switch and the filter screen under the switch. 18. it probably doesn't need an injector. 6L Engine (RPO L5P) Condition Some customers may comment on high oil pressure or that the oil pressure is "pegged" high during the initial start up of the vehicle. Go. When I built my motor, I left the stock oil pump alone. 0L - Old Trucks: 1 - LB7, 3 - LLY, 1 - LBZ, 2 - LMM, 1 - L5P. Only because I try and not 'work' any engine before it is mostly warmed up. I saw another thread on here about the oil pump or the oil pick up tube. 5 L5p first of oil change. Oil/Fluid Type: Capacity – Quarts: Capacity – Liters Last Saturday when I was leaving work, I cranked my truck like normal, put it in gear and was driving out of the parking lot but before I made it very far the DIC starting dinging and said "low oil pressure" and the truck shut off. Then right around the PA border it dropped to 0 completely. EGTs when pulling average about 900°F vs. 6. The typical ABS activation sequence is as follows: • Pressure Hold: The EBCM closes the isolation valve and keeps the dump valve closed in order to isolate the slipping wheel when wheel slip occurs. See less See more 1 Save Share Reply Quote Like. 2019 Chevy 2500 Had this issue for about 4 weeks I have a 2017 L5P and will get the warning on the dash that there is no oil pressure and turn off engine. dont let your fuel go below a 1/4 I bought a used 2018 2500HD Duramax L5P and a week after owning got a reduced engine power warning and got it scanned and received the P0191 code and took it back to the dealership to address. 0. 12727 posts · Joined 2009 Add to quote Listed below are GM’s recommended maintenance schedule for trucks that are driven under normal conditions. Lower resistance to flow also means less friction and potentially more power and efficiency. Clean off the oil and grease and then monitor to see where it re-appears first. The new turbocharger is a big upgrade for the L5P Duramax. . oil pressure is not static. Oil Pressure, holy smokes 120PSI when cold. If it's cold turn the high idle function on remote start and let it run until the oil pressure drops to below 60. But watch out for high oil consumption and reduced oil life due to oxidation. It sounds like either the old O ring is still on it, or the new O ring unseated as it got tightened. I think 14 psi minimum is gm spec at idle. Reply reply the truck can make up to 100 psi oil pressure and the filter needs to be tighter. 2. Cahlstro Discussion starter. If either of these reaches the threshold, a regeneration will be performed. So, for 48 years I have always watched the oil pressure gauge or idiot light to make sure there is oil pressure within 4 seconds. In this day and age of motor design, the break-in process for the most part isn't needed, doesn't happen like yesteryear. I would be interested to hear more from those that have done this mod though, with or without issues. If your oil pressure is lower than these ranges, it may indicate that your engine isn’t getting enough lubrication and could be at risk for serious damage. 6L hovers slightly above 30 at idle, goes up a few PSI while cruising. I checked oil level and it is fine. even though the l5p has a 'lift pump' of sorts in the tank. There's supposed to be relief valves inside that bleed off the excess I'm running mobil full synthetic the last few oil changes, along with a premium oil filter in my 2018, 50,000 miles. When at idle, the pressure will be low, when at 3000 it will be higher. Starts about 8,000psi and soon jumps to 11,000-12,000 psi before it dies. So serviced the entire truck, oil/oil filter with amsoil, trans spin on with genuine Allison filter, and fuel filter with AC Delco TP1015 fuel filter. I thought I would take it out for a long drive since it's been sitting for a while. Tightened it up put another $80 dollars of oil in and it was fine. Verify that the Reductant Pressure sensor parameter is greater than 400 kPa (58 PSI). wade now DIC works normal and just gives warnings, I imagine this was a software problem from day one that Oil pressure appears to be at regular idle level when I drive away. In this section, we will explore the ideal oil pressure range, acceptable pressure values, and the optimal oil pressure for different engines. They leak at connector terminals. I check oil, it's full. New posts Search forums. It always took 7 quarts to get to full mark. If it is the cluster it could be fixed by a certified business for 200 bucks. Within 10 miles the knock got worste and then a sudden loss of oil pressure. 06 LBZ EC/LB 4x4 Low oil pressure 2022 Silverado 3500HD SRW 4WD CC LB LTZ L5P, 2 iDash gauges, Amp steps, Gatorback mud flaps, full front PPF and rocker panels, Command the Reductant System Leak Test On with a scan tool and allow the pressure to build. Over the weekend I upgraded the iDash firmware to v1. :bigglasse Traded:2015 GMC Denali 3500HD CC 4x4 D/A in Summit white. I just asked them for a second oil change and to verify the filter and oil viscosity. “Hop” seemed to go away for If your gauge is correct that is not normal. lkh kxjui yuy wdznx ssnxua mljziu jsb ihkvm hwgcr hnuxx